package com.example.cuibo.myapplication;

import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.View;
import android.view.Menu;
import android.view.MenuItem;

import com.example.cuibo.myapplication.cn.itcast.动态代理.UserImp;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.nio.Buffer;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
        fab.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View view) {

                Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
                        .setAction("Action", null).show();

                Juicer ju = new  Juicer();

                BufferedReader br = new BufferedReader(new FileReader("config.xxx"));
                Class<?> cls = Class.forName(br.readLine());
                cls.newInstance();
                Fruit f = (Fruit)cls;
                ju.run(f);
                Class<?> c = Class.forName("Person");
                Person p = (Person)c.getName();

                c.getConstructors();
                void.class;
                Constructor<?> con = c.getConstructor(String.class, int.class);
                Person p = (Person)c.newInstance("张三");

                File f = cls.getField("name");
                File f1 = cls.getDeclaredField("name");
                f.set(p,"李四");
                f.setAccessible(true); // 去掉访问权限\

                cls.getMethods();
                /*
                * 没有参数
                * */
//                Method m = cls.getMethod("eat");
//                m.invoke(p);
                /*
                * 有参函数的调用
                * */
                Method m = cls.getMethod("eat",int.class);
                m.invoke(p,10);


                UserImp ui = new UserImp();
                ui.add();
                ui.delete();

            }
        });

    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }
}
